PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/14-09:57:40
G01     83.7           32.0                5.9 +/-    0.70      10.0 +/-    0.70  0.060 / 0.070
G07     128.9          40.1                6.5 +/-    0.75       9.4 +/-    0.75  0.050 / 0.060
G11     64.8           39.8                4.0 +/-    0.67       5.9 +/-    0.67  0.040 / 0.070
G13     288.7          38.3                3.7 +/-    1.19       5.6 +/-    1.19  0.040 / 0.080
G15     313.0          11.1                2.0 +/-    1.86       5.5 +/-    1.86  0.050 / 0.050
G17     216.7          55.1                5.3 +/-    1.02       6.4 +/-    1.02  0.050 / 0.050
G18     59.0           22.8                2.9 +/-    0.94       6.0 +/-    0.94  0.050 / 0.150
G19     215.4          32.7                5.5 +/-    1.56       9.1 +/-    1.56  0.050 / 0.150
G28     341.3          61.4                4.4 +/-    0.78       5.0 +/-    0.78  0.100 / 0.130
G30     114.8          74.7                7.3 +/-    0.72       7.5 +/-    0.72  0.080 / 0.130